Fatal error: Uncaught Error: Class 'WC_Data' not found in /home/customer/www/onlineskin.co.uk/public_html/wp-content/plugins/yith-woocommerce-wishlist/includes/class.yith-wcwl-wishlist.php:22 Stack trace: #0 /home/customer/www/onlineskin.co.uk/public_html/wp-content/plugins/yith-woocommerce-wishlist/init.php(100): require_once() #1 /home/customer/www/onlineskin.co.uk/public_html/wp-includes/class-wp-hook.php(292): yith_wishlist_constructor('') #2 /home/customer/www/onlineskin.co.uk/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters('', Array) #3 /home/customer/www/onlineskin.co.uk/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #4 /home/customer/www/onlineskin.co.uk/public_html/wp-content/plugins/yith-woocommerce-wishlist/init.php(144): do_action('yith_wcwl_init') #5 /home/customer/www/onlineskin.co.uk/public_html/wp-includes/class-wp-hook.php(292): yith_wishlist_install('') #6 /home/customer/www/onlineskin.co.uk/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters( in /home/customer/www/onlineskin.co.uk/public_html/wp-content/plugins/yith-woocommerce-wishlist/includes/class.yith-wcwl-wishlist.php on line 22